Remove the the empty conditions from the condition files.
Best Regards, Donald McLaren
=================
D.G. McLaren, Ph.D.
Research Fellow, Department of Neurology, Massachusetts General Hospital and
Harvard Medical School
Postdoctoral Research Fellow, GRECC, Bedford VA
Website: http://www.martinos.org/~mclaren
Office: (773) 406-2464
=====================
This e-mail contains CONFIDENTIAL INFORMATION which may contain PROTECTED
HEALTHCARE INFORMATION and may also be LEGALLY PRIVILEGED and which is
intended only for the use of the individual or entity named above. If the
reader of the e-mail is not the intended recipient or the employee or agent
responsible for delivering it to the intended recipient, you are hereby
notified that you are in possession of confidential and privileged
information. Any unauthorized use, disclosure, copying or the taking of any
action in reliance on the contents of this information is strictly
prohibited and may be unlawful. If you have received this e-mail
unintentionally, please immediately notify the sender via telephone at (773)
406-2464 or email.
On Tue, Dec 4, 2012 at 10:19 AM, Anne-Lise Saive
<[log in to unmask]> wrote:
> Dear SPM experts,
>
> We have a self-paced memory experiment, composed of 3 sessions. Each 20s trial is composed of a recognition phase which ends when the subject gives a response, and which is followed by a recall phase.
> Based on the nature of the cue and the response of the subject, we defined several types of recall that we would like to compare. Each type of recall was reffered as a condition, but because of randomization issues and subjects performances, we did not have the same number of conditions in each session.
> In the 1st level analysis, we created multiple conditions files (1 for each session of each subject), but SPM did not run when some conditions are empty (empty vector). How can we deal with this problem? Do we have to manually delete these empty fields in the mat files?
>
> Thank you in advance.
>
> Sincerely,
> Anne-Lise
>
> ----
> Lyon Neuroscience Research Center, France
> CNRS UMR5292 - INSERM U1028 - UCBL1
|